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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1897 | 1 |
| 1908 | 9 |
| 1909 | 15 |
| 1910 | 18 |
| 1911 | 13 |
| 1912 | 16 |
| 1913 | 32 |
| 1914 | 19 |
| 1917 | 1 |
| 1918 | 8 |
| 1941 | 1 |
| 1948 | 3 |
| 1949 | 1 |
| 1950 | 1 |
| 1956 | 1 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 2 |
| 1962 | 3 |
| 1963 | 2 |
| 1965 | 1 |
| 1966 | 6 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 6 |
| 1972 | 5 |
| 1973 | 3 |
| 1976 | 3 |
| 1977 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1997 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 2 |
| 2024 | 1 |